| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all well | 33 |
2%
|
| 2 | Not very well | 169 |
10.4%
|
| 3 | Pretty well | 551 |
33.9%
|
| 4 | Very well | 872 |
53.6%
|
| r | 1 |
0.1%
|